Article
A plasma membrane receptor kinase, GHR1, mediates abscisic acid- and hydrogen peroxide-regulated stomatal movement in Arabidopsis.
The Plant cell - 1 Jun 2012
Hua Deping, Wang Cun, He Junna, Liao Hui, Duan Ying, Zhu Ziqiang, Guo Yan, Chen Zhizhong, Gong Zhizhong
Abstract excerpt
The plant hormone abscisic acid (ABA) regulates stomatal movement under drought stress, and this regulation requires hydrogen peroxide (H2O2). We isolated GUARD CELL HYDROGEN PEROXIDE-RESISTANT1 (GHR1), which encodes a receptor-like kinase localized on the plasma membrane in Arabidopsis thaliana. ghr1 mutants were defective ABA and H2O2 induction of stomatal closure. Genetic analysis indicates that GHR1 is a...
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